5/16 3/8 1/2 BSW Whitworth High Tensile Cap Head Allen Bolts Socket Screws

They are a BS 2470:1973. The technical data for the material is that it is high tensile grade alloy steel, heat treated to RC39-43. The material has a

3/8-16 x 2-1/2 Button Head Socket Cap Bolts Screws, 304 Stainless Steel 18-8, Full Thread, Coarse Thread UNC, Allen Hex Drive, 10 PCS : Industrial & Scientific

BSW Socket Cap Screws

3/16 7/16 1/2 BSW (Whitworth) Socket Set Grub Screws - Black High Tensile £4.65 - PicClick UK

Everbilt 3/8 in.-16 x 2-1/2 in. Hex Socket Head Stainless Steel Socket Cap Screw 825458 - The Home Depot

Spalding Fasteners - Nuts, Bolts, Screws, Rivets etc. Low prices, fast delivery

Whitworth High Tensile Socket Grub Screws 3/16 1/4 5/16 3/8

What is the difference between metric and standard fasteners?

Machine Screw Hexagonal Head 3/8 X 1 1/2 Full Thread Unc Or Bsw British

VITE LUNGA CHEESEHEAD 3/16 Whitworth X 1 nuovo vecchio stock 20 off EUR 6,00 - PicClick IT

BSW (Whitworth) High Tensile Hexagon Head Bolts BS1083 Grade 'R' Zinc Plated

3/8-16 x 1-1/2 Socket Head Cap Screws Bolts, Stainless Steel 18-8 (304), Bright Finish, Fully Threaded, Allen Socket Drive, 20 PCS : Industrial & Scientific

20Pcs 5/32-32x1/8~3/4 BSW / UNC Grade 12.9 Alloy Steel Hexagon Socket Set Screws With Cup Point Headless Screw Black Oxide - AliExpress

BSF BSW & UNC Socket Shoulder Screws (Imperial) - Orbital Fasteners

BSW 1/8 5/32 3/16 1/4 5/16Hex Socket Cap Screw High Tensile 12.9 Allen Bolt